From 0a76e006e5ce9c15332e3733d825e4ee342f6dbe Mon Sep 17 00:00:00 2001
From: "Evgeny Grin (Karlson2k)" <k2k@narod.ru>
Date: Sun, 9 Jan 2022 20:32:09 +0300
Subject: [PATCH] Fixed "make distcheck" (finally)

Also fixed "make dist" from read-only unpacked tarball.
---
 Makefile.am | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 4bbf92e7..65674601 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -58,11 +58,18 @@ dist-hook: dist-po
 	  rm -f '$(distdir)/pre-dist-hook-dummy'
 	@rm -f pre-dist-hook-dummy
 
-pre-dist-hook:
+pre-dist-hook: pre-dist-hook-doc
 	@echo "Preparing to make dist"
-	@$(am__cd) doc && $(MAKE) $(AM_MAKEFLAGS) update-stamp
 
-.PHONY: pre-dist-hook
+pre-dist-hook-doc:
+	@echo "Preparing to make dist in doc"
+	@if test -w '$(top_srcdir)/doc' ; then \
+	  $(am__cd) doc && $(MAKE) $(AM_MAKEFLAGS) update-stamp; \
+	else \
+	  echo "Source tree is read-only, skipping force doc update"; \
+	fi;
+
+.PHONY: pre-dist-hook pre-dist-hook-doc
 
 distclean-local: distclean-po